---
title: "KJs vs 54s: preflop equity"
url: "https://georgelipoker.com/equity/kjs-vs-54s.md"
canonical_url: "https://georgelipoker.com/equity/kjs-vs-54s"
last_updated: "2026-10-23"
type: "reference"
summary: "KJs is a big favorite over 54s before the flop: 61.71% to 38.29% equity, counted exactly over every board, with the split by flop type and suit."
related: ["https://georgelipoker.com/equity/kjs-vs-64s.md", "https://georgelipoker.com/equity/kjs-vs-53s.md", "https://georgelipoker.com/equity/a8s-vs-54s.md"]
---

# KJs vs 54s: preflop equity

KJs is a big favorite over 54s before the flop: 61.71% to 38.29% equity, counted exactly over every board, with the split by flop type and suit.

If KJs and 54s get all the chips in before the flop, KJs owns 61.71% of the pot in the long run and 54s owns 38.29%.

## KJs against 54s: the numbers

**Exact preflop results for KJs against 54s, in percent**

| Hand | Wins | Ties | Loses | Equity |
| --- | --- | --- | --- | --- |
| KJs | 61.338 | 0.739 | 37.923 | 61.708 |
| 54s | 37.923 | 0.739 | 61.338 | 38.292 |

This is a contest between two suited hands, KJs and 54s. The two hands share no rank, which makes this a pure matchup of card strength, straight chances and flush chances.

That is a modest edge, the kind that shows up over many hands and is easy to miss in one. The tie share is 0.74%: on those boards the pot is chopped and neither hand wins outright.

Among the 169 starting hands, KJs is number 20 and 54s is number 136 by strength against a random hand.

**Boards behind the percentages: 27,396,864 counted in all**

| Hand | Boards won, about | Boards tied, about | Boards lost, about |
| --- | --- | --- | --- |
| KJs | 16,805,000 | 202,000 | 10,390,000 |
| 54s | 10,390,000 | 202,000 | 16,805,000 |

Exact total: 16 deals times 1,712,304 boards. The other three counts come from the five-decimal percentages and are rounded to the nearest thousand, so read them as approximate.

**KJs against 54s read as odds**

| Hand | Equity as odds (to 1) | Wins one deal in | Loses one deal in | Pot odds needed to call (to 1) |
| --- | --- | --- | --- | --- |
| KJs | 1.612 | 1.630 | 2.637 | 0.621 |
| 54s | 0.621 | 2.637 | 1.630 | 1.612 |

The last column is the break-even price: the pot odds a call needs to offer, as a ratio of pot to call.

## Who is ahead on which flops

If you know the kind of flop that came, the numbers shift: KJs holds 68.61% on rainbow flops topped by a ten or better and 34.91% on low rainbow flops (nine high or lower). 54s is ahead on low rainbow flops (nine high or lower), even though it trails KJs when every flop is counted.

**KJs against 54s by flop texture, in percent**

| Flop | Share of flops | KJs wins | Ties | 54s wins | KJs equity |
| --- | --- | --- | --- | --- | --- |
| Rainbow, ten or higher | 24.595 | 68.460 | 0.306 | 31.234 | 68.613 |
| Rainbow, nine or lower | 6.314 | 34.462 | 0.892 | 64.646 | 34.908 |
| Two-tone | 46.727 | 60.790 | 0.393 | 38.817 | 60.986 |
| Monotone | 5.273 | 57.431 | 3.607 | 38.962 | 59.235 |
| Paired | 17.091 | 63.724 | 1.364 | 34.912 | 64.406 |

Flop types: rainbow means three different suits, two-tone means one suit twice, monotone means one suit three times, paired means a repeated rank.

## Compared with a random hand

The table below sets each hand against its own random-hand baseline: a change of -0.86 points for KJs, from 62.57%, and -3.16 for 54s, from 41.45%.

**KJs and 54s here compared with each against a random hand, in percent**

| Case | Equity here | Against a random hand | Change in points | Times the random-hand equity |
| --- | --- | --- | --- | --- |
| KJs, all flops | 61.708 | 62.567 | -0.859 | 0.98627 |
| KJs, rainbow, ten or higher | 68.613 | 62.567 | +6.046 | 1.09663 |
| KJs, rainbow, nine or lower | 34.908 | 62.567 | -27.659 | 0.55793 |
| KJs, two-tone | 60.986 | 62.567 | -1.581 | 0.97473 |
| KJs, monotone | 59.235 | 62.567 | -3.332 | 0.94675 |
| KJs, paired | 64.406 | 62.567 | +1.839 | 1.02939 |
| 54s, all flops | 38.292 | 41.453 | -3.161 | 0.92374 |
| 54s, rainbow, ten or higher | 31.387 | 41.453 | -10.066 | 0.75717 |
| 54s, rainbow, nine or lower | 65.092 | 41.453 | +23.639 | 1.57026 |
| 54s, two-tone | 39.014 | 41.453 | -2.439 | 0.94116 |
| 54s, monotone | 40.765 | 41.453 | -0.688 | 0.98340 |
| 54s, paired | 35.594 | 41.453 | -5.859 | 0.85866 |

## Does a shared suit matter?

When the hands share a suit, KJs holds 63.86%; when they do not, it holds 60.99%. KJs does better with a shared suit, by 2.87 points.

**KJs against 54s by suit overlap, in percent**

| Deals | Specific deals | Share of deals | KJs wins | Ties | 54s wins | KJs equity |
| --- | --- | --- | --- | --- | --- | --- |
| Share a suit | 4 | 25.00 | 63.444 | 0.829 | 35.727 | 63.859 |
| No shared suit | 12 | 75.00 | 60.637 | 0.708 | 38.655 | 60.991 |

## How often this matchup comes up

KJs against 54s is made up of 16 specific-card matchups in one seat order, 0.0010% of the 1,624,350 ordered deals, and 32 counting both seat orders, 0.0020%.

## A worked example

Take a $200 pot built from $100 each. KJs' equity of 61.71% is worth $123.42, a $23.42 edge, and 54s' 38.29% is worth $76.58, which is $23.42 under its stake.

In 1,000 deals of exactly this matchup, expect about 613 won outright by KJs, about 379 won outright by 54s and about 8 split.

## The same matchup from the other side

The mirror image, 54s against KJs, is 38.29% to 61.71%, and its address redirects to this page.

## Keep exploring

KsJs against 5h4h is a ready-made deal for the calculator, with no suit in common between the hands. The neighboring matchups below replace one hand with another of similar strength.

- [Open KsJs against 5h4h in the equity calculator](https://georgelipoker.com/tools/equity-calculator.md#p1=KsJs&p2=5h4h)
- [KJs combos](https://georgelipoker.com/combos/kjs.md)
- [54s combos](https://georgelipoker.com/combos/54s.md)
- [KJs vs 64s](https://georgelipoker.com/equity/kjs-vs-64s.md)
- [KJs vs 53s](https://georgelipoker.com/equity/kjs-vs-53s.md)
- [A8s vs 54s](https://georgelipoker.com/equity/a8s-vs-54s.md)
- [All hand matchups](https://georgelipoker.com/equity.md)

## How this was computed

We counted every case. Each suit pattern of the 16 specific KJs against 54s deals meets all 1,712,304 boards, and the better five-card hand wins; a split pot is half a win each. The flop table reads each board under all ten of its three-card flops.

Source: our own exact count from the GeorgeLiPoker poker math library. No outside data is used.

## Related

- [KJs vs 64s: preflop equity](https://georgelipoker.com/equity/kjs-vs-64s.md)
- [KJs vs 53s: preflop equity](https://georgelipoker.com/equity/kjs-vs-53s.md)
- [A8s vs 54s: preflop equity](https://georgelipoker.com/equity/a8s-vs-54s.md)
